Sealed Power

About Sealed Power: A Century of Engine Precision

When engine builders talk about brands that have stood the test of time, Sealed Power is inevitably part of that conversation. With a history stretching back over a century, Sealed Power has earned a reputation as one of the most dependable names in internal engine components — trusted by professional rebuilders and dedicated enthusiasts alike. From its origins as a piston ring specialist, the brand grew steadily by expanding into pistons, bearings, oil pumps, and a full suite of valvetrain products, becoming a true one-stop source for complete engine rebuilds.

Today, Sealed Power operates under the DRiV family of brands, bringing the same application-engineered philosophy to a modern product lineup. Every component is developed to match OE specifications for form, fit, and function, ensuring that installers get a clean, precise fit without the guesswork that can come with lesser aftermarket parts. This commitment to accuracy is what has made Sealed Power a staple on professional shop shelves for generations.

Pistons Built for Performance and Reliability

At the heart of Sealed Power's catalog are its engine pistons — engineered using proprietary materials and controlled machining processes to deliver consistent combustion and reliable fit across a wide range of applications, from everyday commuters and SUVs to hardworking trucks. Whether you need a single replacement or a complete engine piston set for a full rebuild, Sealed Power offers options spanning both cast hypereutectic and forged designs. Their pistons are weight-graded and sized to application, meaning each unit is matched for balance and precision before it ever reaches your engine.

The brand's Speed Pro line has long been a favorite for performance-minded builders, offering forged pistons with coated skirts designed for tighter clearances and reduced friction — qualities that translate to better power output and a longer engine life.

Piston Rings Engineered for Every Engine Demand

Sealed Power's engine piston rings and complete engine piston ring sets represent decades of ring-sealing expertise. Available in moly, chrome, and plasma-moly facings, these rings are manufactured from ductile iron and engineered to provide excellent combustion sealing, oil control, and heat resistance across both mild street builds and high-compression racing applications. The brand's chrome rings are noted for high wear resistance and low cylinder wear, while plasma-moly variants are tuned to seat quickly and maximize horsepower output — making them a smart choice for any serious engine project.

Why Engine Builders Choose Sealed Power

• OE-matched engineering: Components are application-validated to meet or exceed original equipment specifications.
• Full-system compatibility: Pistons and rings are designed to work together as a matched system for optimal sealing and performance.
• Wide application coverage: Sealed Power catalogs parts for a vast range of gasoline and diesel engines, from classic muscle cars to modern trucks.
• Proven materials: Advanced alloys, proprietary coatings, and rigorous quality control deliver durability under extreme heat and load.
• Professional trust: Widely stocked by major auto parts retailers and used daily in professional rebuild shops across North America.

Whether you are refreshing a worn daily driver or breathing new life into a classic V8, Sealed Power provides the internal engine components to get the job done right — the first time.